package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class RegDemo {
    public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            System.out.println("请输入用户名");
            String username = scanner.nextLine();
            System.out.println("请输入密码");
            String password = scanner.nextLine();
            System.out.println("请输入昵称");
            String nickname = scanner.nextLine();
            System.out.println("请输入年龄");
            int age = Integer.parseInt(scanner.nextLine());
        try (
                Connection connection = DBUtil.getConnection()
        ) {
            Statement statement = connection.createStatement();
            String sql="INSERT INTO user(username,password,nickname,age)" +
                    " VALUES('"+username+"','"+password+"','"+nickname+"',"+age+")";//sql语句相当于字符串拼接变量；
            System.out.println(sql);
         int num=statement.executeUpdate(sql);
            System.out.println(num>0?"注册成功":"注册失败");
        }catch (SQLException e) {
            e.printStackTrace();
        }
    }

}
